Keep your air pure and fresh with the Fellowes True HEPA Filter 300, specifically designed for the AP-300PH Air Purifier. This genuine Fellowes replacement filter is engineered to capture 99.97% of airborne particles, pollen, and dust, ensuring that the air you breathe is clean and free from allergens. The sleek white filter is easy to install and fits perfectly into your AP-300PH unit, maintaining the unit's sleek design. With its efficient True HEPA filtration technology, this single-pack filter is ideal for those who value a clean and healthy indoor environment.